PLATE 17 



Solenopsis sp. 



Page 78 



1 A right valve of a species of this genus 



2 'Fragment of a right valve which may represent another species of the 



genus 

 Locality. Baker Brook point, Moosehead lake 



Palaeosolen simplex Maurer 



(Ste plate 28) 

 Page 77 



3, 4 Left and right valves 



Locality. Near Soccatean point, Moosehead lake 



Palaeopinna flabellum Hall 



Page 74 



5, 6 Lateral and anterior profile views of conjoined valves 



Locality. Seven miles north of Kineo, Moosehead lake 



Rensselaeria cf. crassicosta Koch 



Page 80 



7 Internal cast of dorsal valve 



8, 9 Lateral and top views of the internal cast of a ventral valve 

 Locality. Misery stream 



Rensselaeria ovoides (Eaton) 



Page 79 



10-12 Casts of ventral valves showing proportions and character ol 



muscle and cardinal structures 

 Locality. Cunningham's camp, near Matagamon lake 



Rensselaeria callida Clarke 



Page 79 



13, 14 Profile and dorsal views of an internal cast 



J 5 -I 7 Ventral, profile and dorsal views of a smaller example 



Locality. Misery stream 



200 



